Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Ra3 win in 3 half-moves
2 Rb3 win in 3 half-moves
3 Rc3 draw
4 Rd3 draw
5 Re3 draw
6 Rh2 draw
7 Rh5 draw
8 Rh6 draw
9 Rh7 draw
10 Ka6 loss in 2 half-moves
11 Kaa7 loss in 2 half-moves
12 Kab8 loss in 2 half-moves
13 Kb6 loss in 2 half-moves
14 Kba7 loss in 2 half-moves
15 Kbb8 loss in 2 half-moves
16 Kc6 loss in 2 half-moves
17 Kc7 loss in 2 half-moves
18 Kc8 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rg3 loss in 2 half-moves
21 Rh1 loss in 2 half-moves
22 Rh4 loss in 2 half-moves
23 Rh8 loss in 2 half-moves